MESON Chess Problem Database

Problem Display
PID: 7999 (8/3pQpp1/4PP2/4pP2/1PBP4/4k3/3NN3/4K3 w - - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

8/3pQpp1/4PP2/4pP2/1PBP4/4k3/3NN3/4K3

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...exd4
      • 2.exd7#
      • 2.exf7#
  • Tries
    • 1.Qd6?
      • threat
        • 2.Qxe5#
      • 1...exd4
        • 2.Qg3#
        • 2.Qf4#
        • 2.Qe5#
        • 2.Qxd4#
      • 1...e4
        • 2.Qg3#
        • 2.Qf4#
      • 1...gxf6!
    • 1.b5?
      • threat
        • 2.Qa3#
      • 1...exd4
        • 2.exd7#
        • 2.exf7#
      • 1...d6!
    • 1.dxe5?
      • threat
        • 2.Qc5#
      • 1...d6
        • 2.Qa7#
      • 1...d5!
    • 1.exd7?
      • threat
        • 2.Qxe5#
      • 1...e4
        • 2.Qxe4#
      • 1...gxf6!
  • Keys
    • 1.d5!
      • threat
        • 2.Qc5#
      • 1...d6
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);
      • Threat
        • QAR2(J),XP(b)
      • Refutation
        • P(e);XP(I)
    • Try
      • P(D);
      • Threat
        • QAR(J)
      • Refutation
        • P(c);
    • Try
      • P(F);XP(b)
      • Threat
        • QAB(J)
      • Vars
        • P(c);OGATE::QAB(J)
      • Refutation
        • P(c);
    • Try
      • P(H);P_PINP(b),XP(c)
      • Threat
        • QAR2(J),XP(b)
      • Vars
        • P(b);OGATE::QAR1(J),XP(b)
      • Refutation
        • P(e);XP(I)
  • Actual
    • P(F);
    • Threat
      • QAB(J)
    • Vars
      • P(c);OGATE::QAB(J)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).